Interlayer butterfly valve

Abstract

The utility model belongs to the field of butterfly valves, and particularly relates to an interlayer butterfly valve which comprises a valve body, an operation shell is arranged on the upper side of the valve body, a hand wheel is arranged outside the left side of a driving shaft of the operation shell, a valve rod is arranged at the lower end of the operation shell and rotationally connected with the valve body, and a butterfly plate is fixedly connected to the lower end of the valve rod. The outer side of the valve body is fixedly sleeved with a mounting ring, a first annular groove is formed in the end face of the mounting ring, the inner wall of the first annular groove is slidably connected with a sealing ring, and the butterfly plate and the valve body are jointly provided with a sealing mechanism. Through the arrangement of the structures such as the mounting ring, the mounting hole I and the mounting hole II, the butterfly valve and a pipeline system can be mounted and used in a matched manner, the sealing performance of the joint is ensured under the action of the sealing ring, and the use durability of the sealing ring is ensured under the action of the structures such as the wear-resistant ring I, the wear-resistant ring II and the reinforcing piece II.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field, concretely is an interlayer butterfly valve. BACKGROUND

[0002] The interlayer butterfly valve is a kind of valve for controlling the flow of fluid (such as gas, liquid) in multilayer building or equipment. It is usually installed in the pipeline system to regulate or cut off the flow of fluid. Butterfly valve is widely used in industry, building and municipal engineering due to its simple structure, easy operation, low cost and other characteristics.

[0003] The utility model discloses a soft sealing butterfly valve discloses a soft sealing butterfly valve, including valve body, valve plate, valve shaft, valve shaft passes through valve plate and is connected with valve body, and the sealing ring is established between valve plate and valve body, the section of sealing ring is "C" shape structure, and the outside of sealing ring is equipped with two spring rings, and the connecting place of valve shaft and the upper and lower ends of valve body is equipped with filler.

[0004] However, the existing interlayer butterfly valve also has certain shortcomings, the existing interlayer butterfly valve is simply used with the cooperation of mounting ring and screw hole to complete the assembly and fixed use between pipe system, due to the influence of water erosion, bolt corrosion and other factors, the gap sealing effect between subsequent pipe and valve body is poor. UTILITY MODEL CONTENTS

[0005] The utility model discloses an interlayer butterfly valve, solves the existing interlayer butterfly valve and simply uses mounting ring and screw hole to complete the assembly and fixed use between pipe system, due to the influence of water erosion, bolt corrosion and other factors, the gap sealing effect between subsequent pipe and valve body is poor.

[0006] To achieve the above object, the utility model provides the following technical scheme: an interlayer butterfly valve, including valve body, the upper side of valve body is provided with operating shell, the left side outside of the drive shaft of operating shell is provided with hand wheel, the lower end of operating shell is provided with valve rod, valve rod is rotatably connected with valve body, the lower end of valve rod is fixedly connected with butterfly plate, the outer side of valve body is fixedly sleeved with mounting ring, the end surface of mounting ring is opened ring groove no.

[0007] Preferably, the inner side surface of the sealing ring is sleeved with a wear-resistant ring I, the wear-resistant ring I is in contact with the annular groove I, the outer side surface of the sealing ring is sleeved with a wear-resistant ring II, the wear-resistant ring II is in contact with the annular groove I, the wear-resistant ring I and the sealing ring are fixedly connected with a reinforcing part I, the reinforcing part I is in contact with the annular groove I, the wear-resistant ring II and the sealing ring are fixedly connected with a reinforcing part II, the reinforcing part II is in contact with the annular groove I, through the arrangement of the sealing ring, the sealing effect of the assembly between the pipeline and the valve body can be improved, and under the action of the wear-resistant ring I and the wear-resistant ring II, the durability of the sealing ring can be guaranteed.

[0008] Preferably, the reinforcing part I and the reinforcing part II are arranged in a plurality of forms, and the plurality of reinforcing parts I and the reinforcing parts II are arranged in an annular array on the sealing ring, so that the tear resistance between the sealing ring, the wear-resistant ring I and the wear-resistant ring II is improved.

[0009] Preferably, the surface of the sealing ring is provided with a plurality of mounting holes I, and the plurality of mounting holes I are arranged in an annular array on the sealing ring, so that the subsequent locking members such as bolts can be fixed and used through the mounting holes I.

[0010] Preferably, the surface of the sealing ring is provided with a plurality of mounting holes I, and the plurality of mounting holes I are arranged in an annular array on the sealing ring, so that the subsequent locking members such as bolts can be fixed and used through the mounting holes I.

[0011] Preferably, the sealing mechanism comprises a notch sealing piece, the inner wall of the valve body is fixedly connected with the notch sealing piece, the notch sealing piece is in contact with the valve rod, the side surface of the butterfly plate is provided with an annular groove II, the inner wall of the annular groove II is slidably connected with two evenly distributed contact sealing pieces, the two contact sealing pieces are in contact with each other, and the two contact sealing pieces are in contact with the valve rod, so that the sealing effect of the butterfly plate can be guaranteed through the cooperation and extrusion of the contact sealing pieces and the notch sealing piece.

[0012] Preferably, the inner side surface of each contact sealing piece is bonded with an elastic block, and the other end of the elastic block is bonded with the butterfly plate, so that the contact sealing piece has good extrusion characteristics through the arrangement of the elastic block.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1、The butterfly valve and the pipeline system can be installed and used in cooperation through the arrangement of the mounting ring, the mounting hole I and the mounting hole II, the sealing property of the connection can be guaranteed under the action of the sealing ring, and the durability of the sealing ring can be guaranteed under the action of the wear-resistant ring I, the wear-resistant ring II and the reinforcing part II.

[0015] 2, the utility model discloses a gap sealing piece, contact sealing piece, butterfly plate and other structure's cooperation extrusion uses, can carry out high sealing plugging treatment to butterfly valve, and cooperate annular groove two, elastic block and other structure's effect, can make contact sealing piece have good elasticity, to guarantee the elastic sealing effect of contact sealing piece long, avoid the problem that traditional sealing material is aged, deformed and causes weak sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the local schematic view of the utility model Figure 1 ;

[0018] Figure 3 It is the annular groove one enlarged view of the utility model Figure 2 ;

[0019] Figure 4 It is the local front view cross-sectional view of the utility model Figure 1 .

[0020] In the drawing: 1, valve body;2, operating shell;3, hand wheel;4, valve stem;5, butterfly plate;6, mounting ring;7, annular groove one;8, sealing ring;9, wear ring one;10, wear ring two;11, reinforcing part one;12, reinforcing part two;13, mounting hole one;14, mounting hole two;15, sealing mechanism;151, gap sealing piece;152, annular groove two;153, contact sealing piece;154, elastic block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 , a kind of interlayer butterfly valve, including valve body 1, the upper side of valve body 1 is provided with operating shell 2, the left side outside of the drive shaft of operating shell 2 is provided with hand wheel 3, the lower end of operating shell 2 is provided with valve stem 4, valve stem 4 is rotatably connected with valve body 1, the lower end of valve stem 4 is fixedly connected with butterfly plate 5, the outer side of valve body 1 is fixedly sleeved with mounting ring 6, the end surface of mounting ring 6 is provided with annular groove one 7, the inner wall of annular groove one 7 is slidably connected with sealing ring 8.

[0023] Please refer toFigure 1 、 Figure 2 、 Figure 3 The inner side surface of the sealing ring 8 is fixedly sleeved with a wear-resistant ring I 9, the wear-resistant ring I 9 is in contact with the annular groove I 7, the outer side surface of the sealing ring 8 is fixedly sleeved with a wear-resistant ring II 10, the wear-resistant ring II 10 is in contact with the annular groove I 7, a reinforcing part I 11 is fixedly connected between the wear-resistant ring I 9 and the sealing ring 8, the reinforcing part I 11 is in contact with the annular groove I 7, a reinforcing part II 12 is fixedly connected between the wear-resistant ring II 10 and the sealing ring 8, the reinforcing part II 12 is in contact with the annular groove I 7, through the arrangement of the sealing ring 8, the sealing effect of the assembly between the pipeline and the valve body 1 can be improved, and under the action of the wear-resistant ring I 9 and the wear-resistant ring II 10, the durability of the sealing ring 8 can be ensured.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 The reinforcing part I 11 and the reinforcing part II 12 are arranged in a plurality of ways, and the plurality of reinforcing part I 11 and the reinforcing part II 12 are arranged in a ring array on the sealing ring 8, through the arrangement of the reinforcing part I 11 and the reinforcing part II 12, the tear resistance between the sealing ring 8, the wear-resistant ring I 9 and the wear-resistant ring II 10 is improved

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 A plurality of mounting holes I 13 are arranged on the surface of the sealing ring 8, and the plurality of mounting holes I 13 are arranged in a ring array on the sealing ring 8, through the arrangement of the mounting hole I 13, it is convenient for subsequent cooperation with bolts and other locking parts to be fixed and used, a plurality of mounting holes II 14 are arranged on the surface of the mounting ring 6, and the plurality of mounting holes II 14 are arranged in a ring array on the mounting ring 6, through the arrangement of the mounting hole II 14, it is convenient for subsequent cooperation with bolts and other locking parts to be fixed and used.

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The butterfly plate 5 and the valve body 1 are provided with a sealing mechanism 15, the sealing mechanism 15 comprises a notched sealing part 151, the inner wall of the valve body 1 is fixedly connected with the notched sealing part 151, the notched sealing part 151 is in contact with the valve rod 4, the side surface of the butterfly plate 5 is provided with an annular groove II 152, the inner wall of the annular groove II 152 is slidably connected with two evenly distributed contact sealing sheets 153, the two contact sealing sheets 153 are in contact with each other, the two contact sealing sheets 153 are in contact with the valve rod 4, the inner side surface of each contact sealing sheet 153 is bonded with an elastic block 154, the other end of the elastic block 154 is bonded with the butterfly plate 5, through the arrangement of the elastic block 154, the contact sealing sheet 153 has good extrusion characteristics, through the cooperation and extrusion treatment of the contact sealing sheet 153 and the notched sealing part 151, the sealing effect of the butterfly plate 5 can be ensured

[0027] The specific implementation process of the utility model is as follows: in use, through the setting of mounting hole one 13 and mounting hole two 14, the mounting ring 6 can be bolted and fixed between the pipeline, and then the butterfly valve and the pipeline system are fixed, under the action of the sealing ring 8, the sealing property of the gap between the mounting ring 6 and the pipeline can be ensured, under the action of the wear-resistant ring one 9, the wear-resistant ring two 10, the reinforcing part one 11, the reinforcing part two 12 and other structures, the tear resistance and durability of the sealing ring 8 can be ensured;

[0028] Through the setting of the gap sealing piece 151, the normal rotation of the valve rod 4 can be ensured, when the valve rod 4 drives the butterfly plate 5 to rotate, the contact sealing sheet 153 can be driven to rotate, the contact sealing sheet 153 is made of polyester resin material, the contact sealing sheet 153 and the gap sealing piece 151 are mutually extruded and clamped, the butterfly valve is high sealingly blocked, and when the contact sealing sheet 153 and the gap sealing piece 151 are mutually extruded, under the deformation action of the elastic block 154, the contact sealing sheet 153 has good elasticity, the long-term elastic sealing effect of the contact sealing sheet 153 can be ensured, the problem that the sealing effect is weak after the aging and deformation of the traditional sealing material is avoided.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An interlayer butterfly valve, comprising a valve body (1), characterized in that: An operating shell (2) is provided on the upper side of the valve body (1). A handwheel (3) is provided on the outer left side of the drive shaft of the operating shell (2). A valve stem (4) is provided at the lower end of the operating shell (2). The valve stem (4) is rotatably connected to the valve body (1). A butterfly plate (5) is fixedly connected to the lower end of the valve stem (4). An installation ring (6) is fixedly sleeved on the outer side of the valve body (1). An annular groove (7) is opened on the end face of the installation ring (6). A sealing ring (8) is slidably connected to the inner wall of the annular groove (7). A sealing mechanism (15) is provided on both the butterfly plate (5) and the valve body (1). The sealing mechanism (15) includes a notch seal (151). The notch seal (151) is fixedly connected to the inner wall of the valve body (1). The notch seal (151) is in contact with the valve stem (4). The side of the butterfly plate (5) is provided with an annular groove (152). The inner wall of the annular groove (152) is slidably connected with two evenly distributed contact sealing pieces (153). The two contact sealing pieces (153) are in contact with each other. Both contact sealing pieces (153) are in contact with the valve stem (4). An elastic block (154) is bonded to the inner side of each contact sealing piece (153). The other end of the elastic block (154) is bonded to the butterfly plate (5).

2. The interlayer butterfly valve according to claim 1, characterized in that: Wear-resistant ring one (9) is fixedly sleeved on the inner side of the sealing ring (8), and wear-resistant ring one (9) contacts an annular groove one (7). Wear-resistant ring two (10) is fixedly sleeved on the outer side of the sealing ring (8), and wear-resistant ring two (10) contacts an annular groove one (7). Reinforcing member one (11) is fixedly connected between wear-resistant ring one (9) and sealing ring (8), and reinforcing member one (11) contacts an annular groove one (7). Reinforcing member two (12) is fixedly connected between wear-resistant ring two (10) and sealing ring (8), and reinforcing member two (12) contacts an annular groove one (7).

3. The interlayer butterfly valve according to claim 2, characterized in that: Multiple reinforcement components (11) and (12) are provided, and multiple reinforcement components (11) and (12) are arranged in a ring array on the sealing ring (8).

4. The interlayer butterfly valve according to claim 1, characterized in that: The sealing ring (8) has multiple mounting holes (13) on its surface, and the multiple mounting holes (13) are arranged in a ring array on the sealing ring (8).

5. An interlayer butterfly valve according to claim 1, characterized in that: The surface of the mounting ring (6) is provided with a plurality of mounting holes (14), which are arranged in a ring array on the mounting ring (6).

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